Multipurpose Bicycle Tool Torque Handle Design
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Solution Overview
Problem
Bicycles require multiple tools for various fasteners, leading to inconvenience due to bulkiness and weight of existing compact folding tools, which are difficult to use for applying torque.
Innovation Solution
A lightweight, compact multi-purpose hand tool kit with a body having a midpoint and ends, featuring a transverse aperture and tool bit sockets, allowing tools to be connected for forming a torque handle and bit end for adjusting fasteners, along with a retention mechanism like an o-ring, strap, or magnet for secure engagement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If compact folding tools are used to reduce bulkiness, then the tool size is reduced, but the weight increases and torque application becomes difficult
Solution Approach 1:
The tool is divided into two separate components: a handle and a bit. The handle can be detached and stored separately, reducing the bulkiness when not in use, while the bit can be stored in the handle for easy access. This segmentation allows the tool to be compact without requiring the entire assembly to be heavy.
Solution Approach 2:
The handle is designed with multiple functions: it can store multiple bits, provide a torque application point, and serve as a standalone tool when the bit is detached. This multi-functionality reduces the need for multiple separate tools, thereby reducing overall weight while maintaining versatility.
2Adaptability or versatility
If multiple tools are carried to adjust various fasteners, then the versatility is improved, but the bulkiness and inconvenience increase
Solution Approach 1:
The handle is designed to accommodate multiple different bits through a universal interface, allowing a single handle to perform multiple functions (adjusting different fastener types). This eliminates the need to carry multiple separate tools, reducing the overall volume of the tool kit while maintaining high versatility.
Solution Approach 2:
The bits are stored within the handle structure, with the handle acting as a container for the bits. This nesting arrangement allows multiple tools to be combined into a single compact unit, reducing the volume required to carry multiple separate tools while maintaining the ability to adjust various fasteners.
3Adaptability or versatility
If a single tool is used for all fastener types, then the versatility is improved, but the torque application capability deteriorates
Solution Approach 1:
By separating the handle from the bit, the design allows the handle to be optimized for torque application (with a larger size and appropriate material) while the bit can be specialized for specific fastener types. When assembled, the handle provides the necessary torque capability, and when detached, the bit can be stored for later use.
Solution Approach 2:
The tool assembly is designed to be dynamic rather than static - the handle and bit can be assembled and disassembled as needed. This allows the user to configure the tool for specific tasks requiring high torque, or store the components separately when torque application is not needed, optimizing both versatility and torque capability.
Data Source
AI summary
The tool includes a body having an aperture disposed transversely there-through and tool bits disposed at either end. In use two tools are mated together by disposing the end of one tool through the aperture of another, thereby forming a tool having an operative portion and a torque handle.


